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Finding the Fourth Proportional to 185,363.40, 278,028.90 and 60,704.40

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Solution

The fourth proportional to 185,363.40, 278,028.90 and 60,704.40 is: 91,051.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,363.40 : 278,028.90 = 60,704.40 : x
  2. Step 2: Convert to fraction form
    185,363.40/278,028.90 = 60,704.40/x
  3. Step 3: Cross multiply
    185,363.40x = 278,028.90 × 60,704.40
  4. Step 4: Simplify right side
    185,363.40x = 16,877,577,557.16
  5. Step 5: Solve for x
    x = 16,877,577,557.16/185,363.40
  6. Step 6: Final answer
    x = 91,051.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.